Heart|Lab Grown|IGI

1.43ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG818660365

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818660365

Diamond specifications and retailer prices

From $329 AUD
$231 USD
As of October 30, 2026
Save $1,750 AUD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,150 AUD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.43ct lab-grown heart diamond

This 1.43ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818660365 or 818660365. Listed at 18 retailers as of October 30, 2026, with a 532% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818660365
Dimensions7.05 × 7.91 × 4.45 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.05 mm7.91 mm1.43 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818660365
Side View
Table 60.0%Crown 36.5°Girdle: MED-THKPavilion 38.1°Culet: NoneDepth 56.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,078 AUD|Low: $283 AUD|High: $2,078 AUD|Avg: $1,001 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 3$369 AUD
Retailer 16$382 AUD
Retailer 7$407 AUD
Retailer 13$407 AUD
Retailer 9$655 AUD
Retailer 15$692 AUD
Retailer 11$700 AUD
Retailer 2$768 AUD
Retailer 12$995 AUD
Retailer 8$1,059 AUD
Retailer 14$1,072 AUD
Retailer 17$1,072 AUD
Retailer 6$1,311 AUD
Retailer 5$1,316 AUD
Retailer 4$1,385 AUD
Retailer 10$1,642 AUD
Brilliant Earth$2,078 AUD

43 data points across 17 retailers

18 retailers$329 AUD to $2,078 AUD

A
Cheapest Retailer
-
$329 AUD
$231 USD
A
Retailer 2
-
$369 AUD
$259 USD
View
Final sale: no returns
A
Retailer 3
-
$382 AUD
$268 USD
View
A
Retailer 4
-
$407 AUD
$286 USD
View
A
Retailer 5
-
$407 AUD
$286 USD
View
A
Retailer 6
-
$692 AUD
$486 USD
View
A
Retailer 7
-
$700 AUD
ZAR 7,948 ZAR
View
A
Retailer 8
-
$768 AUD
£425 GBP
View
B+
Retailer 9
-
$995 AUD
View
B+
Retailer 10
-
$1,059 AUD
$744 USD
View
B+
Retailer 11
-
$1,072 AUD
$753 USD
View
B+
Retailer 12
-
$1,072 AUD
$753 USD
View
B+
Retailer 13
-
$1,311 AUD
$921 USD
View
B+
Retailer 14
-
$1,316 AUD
SGD 1,249 SGD
View
B+
Retailer 15
-
$1,385 AUD
$973 USD
View
B
Retailer 16
-
$1,642 AUD
£908 GBP
View
B
Retailer 17
-
$2,078 AUD
$1,460 USD
View
Most Expensive
Brilliant Earth
21132854A · Sep 28
$2,150 AUD
$1,510 USD
View
Price last confirmed 32 days ago
17 more retailers have this diamond
Prices start from $329 AUDSave up to $1,750 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.43ct Heart
$329 AUD